Line of Best Fit

Front

What type of association does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases. 

Front

This measures how strong or weak the relationship between 2 quantitative variables are.

Back

Correlation

Front

Is this line an accurate line estimate of best fit for the data?

Back

Yes

Front

Is this line an accurate line estimate of best fit for the data?

Back

No

Front

What are the coordinates of the outlier? Options: (1,9), (9,1), (2,2), y=x

Back

(9,1)

Front

Select the statement that best describes the line: The line is the line of best fit., The line is NOT a line of best fit because it does not pass through two points., The line is NOT a line of best fit because it does not go through the middle of the data set., The line is NOT a line of best fit because it does not go through the origin.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

What type of association (correlation) does this graph have?

Back

positive